Waves and Their Applications in Technologies for Information Transfer
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FossilsHere’s why ammolite gems have a rainbow shimmer
The fossils’ fabulous colors arise from delicate assemblies of crystal plates.
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Materials ScienceScientists Say: Tenebrescence
Under ultraviolet light, some minerals adopt long-lasting new hues.
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HumansScientists Say: Chronohygiene
Artificial lights and other aspects of modern life can confuse our body’s internal sleep clock. But a few minor changes may grant us much-needed control.
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PhysicsHere’s how to levitate something without magic
Levitation may seem like fantasy. But all it takes is a little physics — and sound waves, magnetism or electricity.
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AnimalsRudolph’s red nose could glow through bioluminescence
Simple chemistry could give the reindeer his iconic red snout. But physics would make it look different colors to anyone who spied Rudolph from the ground.
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LifeAward-winning micro-photos depict stunning details of nature
From fluorescent ferns to sprawling neurons, the 2025 Nikon Small World contest showcased the artistry of life as seen through a microscope.
By Carly Kay -
PhysicsScientists Say: Blue whirl
Four types of smaller flames create the perfect firestorm of elegantly efficient combustion.
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PhysicsScientists shrink 3-D printing so it can work inside cells
The new tech created barcodes, micro-lasers and a tiny elephant — all in living cells.
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PhysicsThis microphone picks up sounds by watching them
This microphone can “hear” by viewing the tiny vibrations made in everyday objects as sound waves strike them.
By Payal Dhar -
PsychologyListening to slightly different sounds in each ear may boost focus, teen finds
While “binaural beats” may boost attention, his research shows video game music is distracting.
- Space
Scientists caught a black hole ringing like a bell
Two black holes merged, creating a new, bigger one. This event triggered the clearest ripples in spacetime ever observed.
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PhysicsScientists Say: Infrasound
“Listening” for changes in these deep rumblings can allow scientists to predict earthquakes and other geological events.